principal quantum number

noun Physics.

the nonnegative, integral quantum number that defines the stationary orbits in the Bohr model of the atom.

QUIZZES

Discover The Influence Of Portuguese On English Via This Quiz!

We’ve gathered some interesting words donated to English from Portuguese … as well as some that just don’t translate at all. Do you know what they mean?

Question 1 of 11

Which of the following animal names traces its immediate origin to Portuguese?

owl

crow

piranha

TAKE THE QUIZ TO FIND OUT

Words nearby principal quantum number

principal nursing officer, principal optic axis, principal parts, principal plane, principal point, principal quantum number, principal rafter, principal value, principalities, principality, principally

Origin of principal quantum number

First recorded in 1920–25

Also called total quantum number.